12 Types of Rattlesnakes in Arizona
12 types of rattlesnakes have a verified observation record in Arizona. The most frequently recorded are Western Diamond-backed Rattlesnake, Western Black-tailed Rattlesnake and Mojave Rattlesnake. Here is the full list, ranked by how often each is reported on iNaturalist.
Quick Answer
12 types of rattlesnakes have a verified observation record in Arizona. The most frequently recorded are Western Diamond-backed Rattlesnake, Western Black-tailed Rattlesnake and Mojave Rattlesnake. Here is the full list, ranked by how often each is reported on iNaturalist.
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Real sighting data, source iNaturalist
20,753 verified observations on iNaturalist of rattlesnake have been recorded in Arizona, most often in August, July, September.
When rattlesnake are recorded in Arizona
Verified species, source iNaturalist
12 types of rattlesnakes recorded in Arizona
12 rattlesnake species have a verified observation record in Arizona, each with at least 10 confirmed sightings. The full list, ranked by how often each is recorded, is below.
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Counts from verified iNaturalist observations.
The Western Diamond-backed Rattlesnake (Crotalus atrox) is the most commonly recorded, with 10,316 verified observations, about 50% of all rattlesnakes reported in Arizona. If you spot a rattlesnake here, it is statistically most likely to be this one.